x-1-GPT-fail.js

/* --- files: ../point_src/core/head.js ../point_src/pointpen.js ../point_src/pointdraw.js ../point_src/setunset.js ../point_src/stroke.js ../point_src/point-content.js ../point_src/pointlist.js ../point_src/point.js ../point_src/events.js ../point_src/automouse.js ../point_src/distances.js ../point_src/dragging.js ../point_src/functions/clamp.js ../point_src/stage.js */ class MainStage extends Stage { canvas='playspace' mounted(){ this.point = new Point({x:300,y:200, radius: 10}) this.dragging.addPoints(this.point) } draw(ctx){ this.clear(ctx) let a = this.point; let m = this.mouse.point a.pen.indicator(ctx) // m.pen.indicator(ctx) let v = Point.from(get_elbow_pos_local(200, 100, a,)) v.x += 300 v.y += 200 v.pen.indicator(ctx) } } const get_elbow_pos_local = function(l1=1.0, l2=1.0, local_end_affector={x:1,y:1}, elbow_direction_sign=1){ let numerator = l1 * l1 + local_end_affector.x * local_end_affector.y + local_end_affector.y * local_end_affector.y - l2 * l2 ; let demonimator = 2 * l1 * Math.sqrt(local_end_affector.y * local_end_affector.x + local_end_affector.y * local_end_affector.y ) ; let elbow_angle_relative = Math.acos(numerator / demonimator) // hmm. // if(elbow_angle_relative != elbow_angle_relative) elbow_angle_relative = 0.f if(elbow_direction_sign == 0) { elbow_direction_sign = 1 } let r = polar(1 * elbow_angle_relative + angleOf(local_end_affector), l1) return r } function angleOf(vec) { // Returns the angle in radians from the X-axis return Math.atan2(vec.y, vec.x); } function polar(angle, length) { return { x: length * Math.cos(angle), y: length * Math.sin(angle), }; } ;stage = MainStage.go();